Sidelink Resource Reconfiguration for V2X Reliability
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Solution Overview
Problem
Current wireless communication systems, particularly in vehicle-to-everything (V2X) communication, face challenges in efficiently managing resource allocation for sidelink communications, leading to potential overlaps and failures in periodic transmissions.
Innovation Solution
The proposed solution involves an apparatus and method that detect missing reception status feedbacks from peer devices, determine if channel quality is not the cause, and autonomously reconfigure sidelink transmission resources to avoid conflicts, thereby ensuring reliable communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If autonomous resource reconfiguration is implemented to resolve resource overlaps, then reliability of sidelink communication is improved, but device complexity increases
Solution Approach 1:
The transmitting device autonomously detects missing feedbacks, determines resource overlaps, and reconfigures transmission resources without network intervention. This self-service mechanism resolves resource conflicts and improves reliability while avoiding the complexity of continuous network monitoring and control signaling.
Solution Approach 2:
The system monitors reception status feedbacks from peer devices to detect transmission failures. By analyzing the absence of expected feedbacks and correlating with peer transmissions, the system identifies resource overlaps and triggers autonomous reconfiguration, creating a closed-loop feedback mechanism that improves reliability.
2Productivity
If periodic transmissions are used for efficient resource utilization, then productivity is improved, but resource overlaps and transmission failures occur
Solution Approach 1:
The system transitions from static periodic resource allocation to dynamic resource reconfiguration. When transmission failures are detected through missing feedbacks, the transmitting device autonomously adjusts transmission parameters and reselects resources, enabling adaptive resource management that maintains productivity while improving reliability.
Solution Approach 2:
The system performs preliminary detection of transmission failures by monitoring for missing feedbacks before resource conflicts become critical. By identifying potential overlaps early through feedback analysis and peer transmission correlation, the system can proactively reconfigure resources to prevent future transmission failures.
Data Source
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AI summary
Apparatus and method in a communication system for reconfiguring resources for transmission are disclosed. More than one sidelink transmissions are transmitted (300) to a second apparatus. It is determined (302) that reception status feedbacks are not received regarding a given number of sidelink transmissions. Transmission resource used for sidelink transmission is reconfigured (306) based on the determination.